All I know is that both of these guys are the real deal. I would put my money on both of them vs GSP. I have to go with Nick though bc he’s been on a rampage!! He has that style that’s been destroying all others. His striking and BJJ always seems to outclass all others. He also runs marathons!! He knows nothing else but to win and his cardio, technique, fast pace, punches in bunches, and aggressiveness always gets him there. Its going to be a war though!!!